cmake 3.9.4 - Update to altest version. Rekey most patches, and add dependencies on new port of librhash and libuv.

jsoncpp - 1,8..3 - Update to latest version.  Split package into a run-time and developer package subce a DKK as a DLL is now included
libuv - 1.15.0 - New package required for cmake.
rhrash - 1.3.5 - New package required for cmake.  Note that the makefile and some other things had to ported to MSYS (Cygwin is incidental).  The patch I wrote should also work on MINGW (kill two birds with one stone).

jsoncpp/jsoncpp.install

@@ -0,0 +1,7 @@
+post_install() {
+  echo "JsonCpp headers and build libraries are now in jsoncpp-devel."
+}
+
+post_upgrade() {
+  post_install "$1"
+}